diff --git a/code_study/Baekjoon/python/2455.py b/code_study/Baekjoon/python/2455.py
new file mode 100644
index 0000000..3219d7d
--- /dev/null
+++ b/code_study/Baekjoon/python/2455.py
@@ -0,0 +1,6 @@
+a, b = 0, 0
+for _ in range(4) :
+    x, y = map(int, input().split())
+    a += (y-x)
+    b = max(b, a)
+print(b)
\ No newline at end of file