ABC 252, in process of making c, got idea but got sidetracked

atcoder/beginner_contests/252/a.cpp

@@ -0,0 +1,18 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+
+int main(){
+    ios::sync_with_stdio(0);
+    cin.tie(0);
+
+    int n;
+    cin >> n;
+    
+    cout << (char)n << endl;
+
+    cout << flush;
+
+    return 0;
+}