z2

#include <stdio.h>

int getSum(const char* filename);

int getSum(const char* filename){
	FILE* input;
	int code, count = 0;
	long long a, sumch = 0, sumnch = 0;
	if((input = fopen(filename,"r")) == NULL){
		printf("Can't open file!");
		return -1;
	}
	while((code = fscanf(input,"%lld",&a)) == 1){
		if(a < 0){
			printf("Can't find modulus of negative numbers!\n");
			fclose(input);
			return -1;
		}
		if(a % 2 == 0){
			sumch += a;
		}else{
			sumnch += a;
		}
		count++;
	}
	if(code != EOF){
        	printf("Can't read data from file!\n");
        	fclose(input);
        	return -1;
    	}
	if(count == 0){
		printf("File is empty!\n");
        	fclose(input);
        	return -1;
	}
	fclose(input);
	if(sumch > sumnch){
		return 1;
	}else if(sumch == sumnch){
		return 2;
	}else{
		return 0;
	}
}

int main(void){
	int code;
	code = getSum("test.txt");
	if(code == -1){
		return 1;
	}else if(code == 2){
		printf("equal\n");
	}else if(code == 1){
		printf("chetnye\n");
	}else if(code == 0){
		printf("nechetnye\n");
	}
	return 0;
}