View Code of Problem 111

#include<stdio.h>
int main(){
	int a,b;
	while(scanf("%d %d",&a,&b)!=EOF){

		if(a<=0||b<=0){
			printf("请输入大于零的整数！\n");
			break;
		}
		printf("%d\n",a+b);
	}
	return 0;
}