#include<stdio.h>
long long a[1005],b[1005],n;
void work(){
	long long x,y;
	scanf("%lld%lld",&x,&y);
	for(long long i=1;i<=n;i++){
		if(i==x) printf("%lld ",a[i]-y);
		else printf("%lld ",a[i]);
	}putchar('\n');
}
int main(){
	long long t;
	scanf("%lld%lld",&n,&t);
	for(long long i=1;i<=n;i++) scanf("%lld",&a[i]);
	while(t--) work();
	return 0;
}

明明和某数异或得0的数就是他本身，为何2个WA加上8个RE？？？求助！！