diff --git a/fibo.c b/fibo.c
new file mode 100644
index 0000000..0b29c80
--- /dev/null
+++ b/fibo.c
@@ -0,0 +1,23 @@
+
+#include <stdio.h>
+
+int main()
+{
+    int f1 =0;
+    int f2 =1;
+    int sum = 0;
+    int next;
+
+    while(f2<1000000){
+        if(f2 % 2 == 0)
+            sum =+ f2;
+        next = f1 + f2 ;
+        f1 = f2;
+        f2 = next;   
+    }
+
+    
+    printf("%d\n",sum);
+
+    return 0;
+}
diff --git a/src/hello.c b/src/hello.c
new file mode 100644
index 0000000..807d128
--- /dev/null
+++ b/src/hello.c
@@ -0,0 +1,8 @@
+#include <stdio.h>             
+int main()    
+{
+    printf("Hello, world!\n");  
+
+
+    return 0; 
+}