#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main() {
    char str[100];
    const char* delim = " ";
 
    gets(str);
 
    int arr[100];
    char temp[100]=" 1 2 3 4 5 ";
    strcpy(temp, str);
    size_t idx=0;
 
    char* pch=strtok(temp,delim);
    while(pch!=NULL) {
        arr[idx++] = atoi(pch);
        pch=strtok(NULL, delim);
    }
    // 精簡版
    // for(char* pch=strtok(temp,delim); pch; pch=strtok(NULL, delim))
    //     arr[idx++] = atoi(pch);
 
    for(unsigned i = 0; i < idx; ++i) {
        printf("%d, ", arr[i]);
    }printf("\n");
    return 0;
}

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