#2
hzr2018-06-06 20:27
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#include<stdio.h>
int main ()
{
int i,j;
int a[4],b[10];
for (i=0;i<=3;i++)
scanf ("%d",a[i]);
for (i=j=0;i<=8;i++)
if (a[i]>='0'&&a[i]<='9')
{
a[j]=a[i];
a[j+1]=' ';
j++;
}
for (j=0;j<=8;j++)
printf ("%d",b[j]);
return 0;
}