CONS_VOW

#include<ctype.h>
#include<stdio.h>
int main(){
    char st[]="Hello World! I am Anirban";
    int ncons=0,nvow=0,size=sizeof(st)/sizeof(st[0]),i;
    for(i=0;i<size;++i){
            char c=tolower(st[i]);
            if(c=='a' || c=='e' || c=='i' || c=='o' || c=='u')
                nvow++;
            else if(c>='a' && c<='z')
                ncons++;
    }
    printf("No. of vows= %d\nNo. of cons= %d\n",nvow,ncons);
    return 0;
}