diff --git a/code_study/Baekjoon/python/10950.py b/code_study/Baekjoon/python/10950.py
new file mode 100644
index 0000000..5c6a79f
--- /dev/null
+++ b/code_study/Baekjoon/python/10950.py
@@ -0,0 +1,2 @@
+for i in range(int(input())):
+	print(sum(map(int, input().split())))
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/10951.py b/code_study/Baekjoon/python/10951.py
new file mode 100644
index 0000000..ff307ad
--- /dev/null
+++ b/code_study/Baekjoon/python/10951.py
@@ -0,0 +1,5 @@
+while True:
+	try:
+		print(sum(map(int,input().split())))
+	except:
+		break
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/10952.py b/code_study/Baekjoon/python/10952.py
new file mode 100644
index 0000000..c8c2804
--- /dev/null
+++ b/code_study/Baekjoon/python/10952.py
@@ -0,0 +1,4 @@
+while(True):
+	a, b = map(int, input().split())
+	if a==0 and b==0 : break
+	print(a+b)
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/11021.py b/code_study/Baekjoon/python/11021.py
new file mode 100644
index 0000000..032d7ba
--- /dev/null
+++ b/code_study/Baekjoon/python/11021.py
@@ -0,0 +1,2 @@
+for i in range(int(input())):
+	print("Case #"+str(i+1)+":",sum(map(int,input().split())))
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/11022.py b/code_study/Baekjoon/python/11022.py
new file mode 100644
index 0000000..2368a49
--- /dev/null
+++ b/code_study/Baekjoon/python/11022.py
@@ -0,0 +1,3 @@
+for i in range(int(input())):
+	a,b = map(int,input().split())
+	print("Case #"+str(i+1)+":",a,"+",b,"=",a+b)
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/15552.py b/code_study/Baekjoon/python/15552.py
new file mode 100644
index 0000000..fd4dd9d
--- /dev/null
+++ b/code_study/Baekjoon/python/15552.py
@@ -0,0 +1,3 @@
+import sys
+for i in range(int(sys.stdin.readline())):
+	sys.stdout.write(str(sum(map(int, sys.stdin.readline().split())))+"\n")
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/2438.py b/code_study/Baekjoon/python/2438.py
new file mode 100644
index 0000000..c512e13
--- /dev/null
+++ b/code_study/Baekjoon/python/2438.py
@@ -0,0 +1,2 @@
+for i in range(int(input())):
+	print("*"*(i+1))
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/2439.py b/code_study/Baekjoon/python/2439.py
new file mode 100644
index 0000000..2b537dc
--- /dev/null
+++ b/code_study/Baekjoon/python/2439.py
@@ -0,0 +1,3 @@
+n = int(input())+1
+for i in range(1,n):
+	print(" "*(n-i-1)+"*"*i)
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/25304.py b/code_study/Baekjoon/python/25304.py
new file mode 100644
index 0000000..c2bca96
--- /dev/null
+++ b/code_study/Baekjoon/python/25304.py
@@ -0,0 +1,6 @@
+x = int(input())
+s = 0
+for i in range(int(input())):
+	a, b = map(int, input().split())
+	s += a*b
+print("Yes" if x==s else "No")
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/25314.py b/code_study/Baekjoon/python/25314.py
new file mode 100644
index 0000000..522ab3b
--- /dev/null
+++ b/code_study/Baekjoon/python/25314.py
@@ -0,0 +1 @@
+print("long "*(int(input())//4) + "int")
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/2739.py b/code_study/Baekjoon/python/2739.py
new file mode 100644
index 0000000..fe0dd1f
--- /dev/null
+++ b/code_study/Baekjoon/python/2739.py
@@ -0,0 +1,2 @@
+N = input()
+for i in range(9) : print(N+" * "+str(i+1)+" = "+str(int(N)*(i+1)))
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/8393.py b/code_study/Baekjoon/python/8393.py
new file mode 100644
index 0000000..abdce50
--- /dev/null
+++ b/code_study/Baekjoon/python/8393.py
@@ -0,0 +1,2 @@
+n = int(input())
+print(n*(n+1)//2)
\ No newline at end of file