Submission #60717980

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#include <bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
using namespace __gnu_pbds;
using namespace std;
#define pb push_back
#define rep(i,x,y) for(register int i=x;i<=y;i++)
#define rep1(i,x,y) for(register int i=x;i>=y;--i)
#define int long long
#define fire signed
#define il inline
template<class T> il void print(T x) {
  if(x<0) printf("-"),x=-x;
  if (x > 9) print(x / 10);
  putchar(x % 10 + '0');
}
template<class T> il void in(T &x) {
    x = 0; char ch = getchar();
    int f = 1;
    while (ch < '0' || ch > '9') {if(ch=='-') f = -1; ch = getchar(); }
 
 
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#include <bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
using namespace __gnu_pbds;
using namespace std;
#define pb push_back
#define rep(i,x,y) for(register int i=x;i<=y;i++)
#define rep1(i,x,y) for(register int i=x;i>=y;--i)
#define int long long
#define fire signed
#define il inline
template<class T> il void print(T x) {
	if(x<0) printf("-"),x=-x;
	if (x > 9) print(x / 10);
	putchar(x % 10 + '0');
}
template<class T> il void in(T &x) {
    x = 0; char ch = getchar();
    int f = 1;
    while (ch < '0' || ch > '9') {if(ch=='-') f = -1; ch = getchar(); }
    while (ch >= '0' && ch <= '9') { x = (x << 3) + (x << 1) + (ch ^ 48); ch = getchar(); }
    x *= f;
}
int T=1;
string s;
int n;
char c,d;
void solve() {
	in(n);
	cin>>c>>d>>s;
	for(auto to:s) {
		if(to!=c) cout<<d;
		else cout<<to;
	}
}
fire main() {
	while(T--) {
		solve();
	}
	return false;
}

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