p5.cpp

好东西,绝对是好东西,我向大家推荐

#include <iostream.h>
int main()
{
        int a,b,c,n;
        cin>>n;
        while(n>0)
        {
	   cin>>a>>b;
	   if(b/100!=0) c=a*1000+b;
	   else if(b/10!=0) c=a*100+b;
	   else c=a*10+b;
	   cout<<c<<endl;
	   n--;
	}
	return 0;
}