diff --git a/code_study/Baekjoon/python/11651.py b/code_study/Baekjoon/python/11651.py
new file mode 100644
index 0000000..0c90d32
--- /dev/null
+++ b/code_study/Baekjoon/python/11651.py
@@ -0,0 +1,7 @@
+axis = []
+for _ in range(int(input())) :
+    x, y = map(int, input().split())
+    axis.append((x,y))
+
+for tpl in sorted(axis, key = lambda x : (x[1], x[0])) :
+    print(*tpl)
diff --git a/code_study/Baekjoon/ts/1920.ts b/code_study/Baekjoon/ts/1920.ts
new file mode 100644
index 0000000..0e69695
--- /dev/null
+++ b/code_study/Baekjoon/ts/1920.ts
@@ -0,0 +1,5 @@
+export {};
+const input: String[] = require("fs").readFileSync(0,"utf8").toString().trim().split('\n');
+const N_set:Set<number> = new Set(input[1].split(' ').map(Number));
+const M_list:number[] = input[3].split(' ').map(Number);
+M_list.forEach(v => console.log(N_set.has(v) ? 1 : 0));
\ No newline at end of file