#include
#include
#define MAXSIZE 1025
void Div(char *str1, char *str2, char *str3)
{
int i1, i2, i, j, jj, tag, carry, cf, c[MAXSIZE];
int len1 = strlen(str1), len2 = strlen(str2), lend;
char d[MAXSIZE];
memset(c, 0, sizeof(c));
memcpy(d, str1, len2);
lend = len2; j = 0;
for( i1=len2-1; i1 < len1; ++i1 )
{
if( lend < len2 )
{
d[lend] = str1[i1+1]; c[j] = 0;
++j; ++lend;
}
else
if( lend == len2 )
{
jj = 1;
for( i=0; i < lend; ++i )
{
if( d[i] > str2[i] ) break;
else if( d[i] < str2[i] )
{
jj = 0; break;
}
}
if( jj == 0 )
{
d[lend] = str1[i1+1]; c[j] = 0;
++j; ++lend;
continue;
}
}
if( jj==1 || lend > len2 )
{
cf = jj=0;
while( d[jj] <= '0' && jj < lend ) ++jj;
if( lend-jj > len2 ) cf = 1;
else
if( lend-jj < len2 ) cf = 0;
else
{
i2 = 0; cf = 1;
for( i=jj; i < lend; ++i )
{
if( d[i] < str2[i2] )
{
cf = 0; break;
}
else if( d[i] > str2[i2] )
{
break;
}
++i2;
}
}//else
while( cf )
{
i2 = len2-1; cf = 0;
for( i=lend-1; i >= lend-len2; --i )
{
d[i] = d[i]-str2[i2]+'0';
if( d[i] < '0' )
{
d[i] = d[i]+10; carry = 1;
--d[i-1];
}
else carry = 0;
--i2;
}
++c[j]; jj=0;
while( d[jj] <= '0' && jj < lend ) ++jj;
if( lend-jj > len2 ) cf = 1;
else
if( lend-jj < len2 ) cf = 0;
else
{
i2 = 0; cf = 1;
for( i=jj; i < lend; ++i )
{
if( d[i] < str2[i2] )
{
cf = 0; break;
}
else if( d[i] > str2[i2] )
{
break;
}
++i2;
}
}//else
}//while
jj = 0;
while( d[jj] <= '0' && jj < lend ) ++jj;
for( i=0;i < lend-jj; ++i ) d[i] = d[i+jj];
d[i] = str1[i1+1]; lend = i+1;
++j;
}//else
}//for
i = tag = 0;
while( c[i] == 0 ) ++i;
for( ; i < j; ++i, ++tag ) str3[tag] = c[i]+'0';
str3[tag] = '\0';
}
int main()
{
char a[110], b[110], c[110];
scanf( "%s%s", a, b );
Div( a, b, c );
printf( "%s\n", c );
return 0;
}