#include<stdio.h>

int main(){
    float a,b,c,t;
    scanf("%f,%f,%f,&a,&b,&c");
    if(a>b)
    {
     t=a;
     a=b;
     b=t;
    }
    if(a>c)
    {t=a;
     a=c;
     c=t;
    }
    if(b>c)
    {t=b;
     b=c;
     c=t;
    }
    printf("%5.2f,%5.2f,%5.2f\n",a,b,c);
    return0;
 }
    
    

In function 'main':
Line 23: error: 'return0' undeclared (first use in this function)
Line 23: error: (Each undeclared identifier is reported only once
Line 23: error: for each function it appears in.)