#include <stdio.h>
#include <stdlib.h>
 
typedef struct number
{
    int x;
    int y;
    int z;
    unsigned int final;
} number;
 
int main()
{
  number *numbers = malloc(sizeof(number));
 
  scanf("%d %d %d", &numbers->x, &numbers->y, &numbers->z);
  printf("input: %d,%d,%d\n",numbers->x, numbers->y, numbers->z);
  numbers->final=(numbers->x)*4000 + (numbers->y)*50 + (numbers->z);
  printf("final: %d\n",numbers->final);
 
  free(numbers);
 
  return 0;
}

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