#include<bits/stdc++.h>
using namespace std;
int inline read(){
int x=0,f=1;
char c=getchar();
while(c<'0'||c>'9'){
if(c=='-')f=-1;
c=getchar();
}
while(c>='0'&&c<='9'){
x=x*10+c-'0';
c=getchar();
}
return x*f;
}
int main(){
int n,m,o;
cin>>n;
scanf("%d",&m);
o=read();
return 0;
}
04-22
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03-16