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


int to_int(char* line, ssize_t nread) {


    line = realloc(line, (nread-2)*sizeof(char));
    line++;

    return atoi(line);


}


int sign(int num) {
    return ((num%2)+((num+1)%2));
}

int main(int argc, char *argv[]) {

    FILE *f = fopen(argv[1], "rw");
    char *line = NULL;
    char m;
    size_t size = 0;
    int move;
    ssize_t nread;
    int password = 0;
    int dial = 50;


    while ((nread = getline(&line, &size, f))!= -1) {
        printf("%s, ",line);
        m = line[0];
        move = to_int(line, nread);
        if (m == 'R' ) {
            for (int i = 0; i<move; i++) {
                dial++;
                if (dial==100) {
                dial = 0;
                    password++;
                }
            }
        } else {
            for (int i = 0; i<move; i++) {
                dial--;
                if (dial==0) {
                    password++;
                }
                if (dial == -1) {
                 dial = 99;
                }
            }
        }



        printf("%d, dial at :", to_int(line, nread));
        printf("%d\n", dial);
    }
 
    printf("password: %d",password);
    
    free(line);
    fclose(f);
    
    return 0;
}