Submission #1406658

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Source Code Expand

//#define MyDebug
#include <bits/stdc++.h>

#define rep(i, first, to) for(int i = first; i < to; ++i)
#define REP(i, first, to) for(int i = first; i <= to; ++i)

#ifdef MyDebug
	#define debug(x) cerr << #x << " : " << x << endl
	#define debugP(x) cerr << x << endl
#else
	#define debug(x)
	#define debugP(x)
#endif

using namespace std;
typedef long long ll;

char toBig(char c) {
	if ('a' <= c && c <= 'z') return (char)(c + 'A' - 'a');
	return c;
}
char toSmall(char c) {
	if ('A' <= c && c <= 'Z') return (char)(c - 'A' + 'a');
	debug(c);
	return (char)c;
}
string s;
void solve() {
	cin >> s;
	cout << toBig(s[0]);
	rep(i, 1, s.size()) {
		cout << toSmall(s[i]);
	}
	cout << endl;
}

void test() {
	debug(toSmall('b'));
}
int main() {
	solve();
	//test();
	return 0;
}

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