//
// Lambda
// Tuesday, Feb 6, 2018
//
#include <stdlib.h>
#include <stdio.h>

char *getl(FILE* stream)
{
        int n = 0;
        char c;
        int size = 256;
        char *yeet = malloc(size * sizeof(char));
        if (yeet == NULL)
                return NULL;

        while (c != '\n')
        {
                c = fgetc(stream);
                if (n == size)
                {
                        size += 256;
                        yeet = realloc(yeet, size * sizeof(char));
                }
                yeet[n] = c;
                n++;
        }
        yeet[n] = '\0';

        return yeet;
}

int main()
{
        char* test = getl(stdin);
        if (test == NULL)
                return 1;

        printf("%s", test);
        free(test);
        return 0;
}