#include <stdio.h> int main() { int a, b; int c = 0;//a和b相加的结果 int result = 0;//最终的结果 scanf("%d %d", &a, &b);//输入a,b c = a + b; int x10 = 0;//十位 int x1 = 0;//个位 if (c >= 100) { x1 = c % 10; x10 = (c / 10) % 10; result = x10 * 10 + x1; } else { result = c; } printf("%d\n", result); return 0; }