#include <iostream> using namespace std; int cnt; int main() { string a,b; cin >> a; int l = a.size(); for(int i = 0;i < l;i ++) { if(a[i] >= 'A' && a[i] <= 'Z') b[cnt ++] = a[i]; else if(a[i] >= 'a' && a[i] <= 'z') b[cnt ++] = a[i] - 32; else continue; } for(int i = 0;i < cnt;i ++) cout << b[i]; return 0; }
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