#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int main(void){
    FILE *fp;
    char buffer[3];
    int temp = 0;
    
    fp = fopen("/sys/class/thermal/thermal_zone7/temp", "r");
    fgets(buffer, sizeof buffer, (FILE*)fp);
    fclose(fp);

    buffer[strcspn(buffer, "\r\n")] = 0;
    temp = atoi(buffer); 
    printf(" %d°C \n", temp);

    return 0;
}