text: #include <stdio.h>
  /**
   * this function add two inigers that given and it's working! 
   * @param 
   * @return 
   */
  int main(){
  	int n=0;
  	int number1=0,number2=0;
  	scanf("%d",&n);
  	for(int i=0;i<n;i++){
  		//printf("n1, n2: ");
  		scanf("%d %d",&number1, &number2);
  		printf("%d\n",number1+number2);
  	}
  	return 0;
  }