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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. // your code goes here
  5. int a,b;
  6. scanf("%d%d",&a,&b);
  7. printf("a = %d\n",a);
  8. printf("-a = %d\n",-a);
  9. printf("a + b= %d",a + b);
  10. return 0;
  11. }
  12.  
Success #stdin #stdout 0s 5300KB
stdin
50 60
stdout
a = 50
-a = -50
a + b= 110