Untitled

#include <stdio.h>
 
int main(void) {
    int a, ch=0, ne=0, i=0;
    FILE* inp = fopen("data.txt", "r");
    
    if (inp == NULL) {
        printf("Error! No file!\n");
        return 1;
    }
    
    while (fscanf(inp, "%d", &a) == 1) {
        i++;
        if(i%2==0){
        //printf("Chislo %d\n", i);
           ch = ch+a;  
            //printf("Chet = %d\n\n", b);
        }
        else {
        //printf("Chislo %d\n", i);
            ne = ne+a;
            //printf("Nechet = %d\n\n", c);
        }
c        
    }
    
    fclose(inp);
    
    if (i == 0){
        printf("Error! No chisla!\n");
        return 2;
    }
    //printf("Zakonch\n");    
    printf("Sum Nechet = %d\n", ne);
    printf("Sum Chet = %d\n\n", ch);
    
    if (ch==ne){
        printf("Odinakovo\n");        
    }
    
    else{
        if (ch>ne){
        printf("Sum Chet Bolshe\n");
        }
        
            else{
            printf("Sum Nechet Bolshe\n");
            }
    }
   
    return 0;
}