#include #include int main()

{

char c,str[1000][1000],

flag = 0,count; int x,y,i,j;

while(1) { x = 0; y = 0;

while((c = getchar() )!= ‘\n‘)

{

if (c == ‘#‘)

{

flag = 1; break;

}

if (c != ‘ ‘&&c!=‘\0‘)

{ str[x][y++] = c; }

else { str[x][y] = ‘\0‘;

y = 0; x++;

}

}

if(flag)

{ break; }

count = 0;

for (i = 0;i <= x;i++)

{

if(str[i][0])

{

count++;

for(j = i + 1;j <= x;j++)

{

if(strcmp(str[i],str[j]) == 0)

{

str[j][0] = ‘\0‘;

}

}

}

}

printf("%d\n",count);

}

return 0;

}